US4432660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass- or ceramic-to-metal seals
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1981-04-20
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Granted: 1984-02-21
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Expires: 2001-04-20
Abstract
Abstract A seal between a metal surface and a surface of glass or glass-like ceramic having, in juxtaposition, the metal, gold, an indium-gold alloy, indium, and either glass or a glass-like ceramic.
Inventors
- 👤 Gordon S. Norvell
- 👤 Donald W. King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:50
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/03; B; B23; B23K; B23K35/00; B23K35/001; B23K35/002; B23K35/22; B23K35/24; B23K35/26; B23K35/30; B23K35/3013; C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; B23K2101/00; B23K2101/34; B23K2103/00; B23K2103/08; B23K2103/10; B23K2103/18; B23K2103/50; B23K2103/54; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/213
Claims Analysis
Total Claims: 64
Claim 1
Independent Claim
23 words
A seal between a metal surface and a glass surface comprising in juxtaposition, said metal, gold, an indium-gold alloy, indium, and said glass.
Claim 2
Dependent Claim
23 words
A seal between a metal surface and a glass surface comprising in juxtaposition, said metal, gold, an indium-gold alloy, indium, and said glass.
Claim 3
Dependent Claim
69 words
A seal between a metal surface and a second surface of glass made by the process comprising: attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 4
Dependent Claim
69 words
A seal between a metal surface and a second surface of glass made by the process comprising: attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 5
Dependent Claim
69 words
A seal between a metal surface and a second surface of glass made by the process comprising: electroplating a layer of gold onto said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 6
Dependent Claim
69 words
A seal between a metal surface and a second surface of glass made by the process comprising: electroplating a layer of gold onto said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 7
Dependent Claim
91 words
A seal between a metal surface and a second surface of glass made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 8
Dependent Claim
91 words
A seal between a metal surface and a second surface of glass made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 9
Dependent Claim
96 words
A seal between a metal surface and a second surface of glass made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; cleaning said surfaces by plasma; and pressing said indium onto said second surface.
Claim 10
Dependent Claim
96 words
A seal between a metal surface and a second surface of glass made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; cleaning said surfaces by plasma; and pressing said indium onto said second surface.
Claim 11
Dependent Claim
79 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 12
Dependent Claim
79 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 13
Dependent Claim
86 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; further smoothing the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 14
Dependent Claim
86 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; further smoothing the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 15
Dependent Claim
90 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 16
Dependent Claim
90 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 17
Dependent Claim
95 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said rinsing said aluminum surface with water; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 18
Dependent Claim
95 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said rinsing said aluminum surface with water; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 19
Dependent Claim
111 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and said indium; cooling; and pressing said indium onto said second surface.
Claim 20
Dependent Claim
111 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and said indium; cooling; and pressing said indium onto said second surface.
Claim 21
Dependent Claim
94 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; lapping said metal surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 22
Dependent Claim
94 words
A seal between a metal surface and a second surface of glass made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; lapping said metal surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 23
Dependent Claim
128 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 24
Dependent Claim
128 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 25
Dependent Claim
132 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 26
Dependent Claim
132 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 27
Dependent Claim
165 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 28
Dependent Claim
165 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 29
Dependent Claim
169 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a sulution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 30
Dependent Claim
169 words
A seal between an aluminum surface and a second surface of glass made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a sulution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 31
Dependent Claim
71 words
A seal between a copper surface and a second surface of glass made by the process comprising: electroplating a layer of gold onto the surface of said copper; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 32
Dependent Claim
71 words
A seal between a copper surface and a second surface of glass made by the process comprising: electroplating a layer of gold onto the surface of said copper; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 33
Dependent Claim
25 words
A seal between a metal surface and glass-like ceramic surfaces comprising, in juxtaposition, said metal, gold, an indium-gold alloy, indium, and said glass-like ceramic surfaces.
Claim 34
Dependent Claim
25 words
A seal between a metal surface and glass-like ceramic surfaces comprising, in juxtaposition, said metal, gold, an indium-gold alloy, indium, and said glass-like ceramic surfaces.
Claim 35
Dependent Claim
71 words
A seal between a metal surface and a second surface of a glass-like ceramic made by the process comprising: attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 36
Dependent Claim
71 words
A seal between a metal surface and a second surface of a glass-like ceramic made by the process comprising: attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 37
Dependent Claim
70 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: electroplating a layer of gold onto said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 38
Dependent Claim
70 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: electroplating a layer of gold onto said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 39
Dependent Claim
92 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 40
Dependent Claim
92 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 41
Dependent Claim
97 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; cleaning said surfaces by plasma; and pressing said indium onto said second surface.
Claim 42
Dependent Claim
97 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: applying a layer of gold, in the form of gold in a liquid, onto said surface of said metal; firing said gold to leave a gold layer on said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; cleaning said surfaces by plasma; and pressing said indium onto said second surface.
Claim 43
Dependent Claim
80 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 44
Dependent Claim
80 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 45
Dependent Claim
87 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; further smoothing the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 46
Dependent Claim
87 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; further smoothing the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 47
Dependent Claim
91 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 48
Dependent Claim
91 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 49
Dependent Claim
107 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 50
Dependent Claim
107 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 51
Dependent Claim
112 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and said indium; cooling; and pressing said indium onto said second surface.
Claim 52
Dependent Claim
112 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; attaching a layer of gold to said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and said indium; cooling; and pressing said indium onto said second surface.
Claim 53
Dependent Claim
95 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; lapping said metal surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 54
Dependent Claim
95 words
A seal between a metal surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said metal to said second surface; mechanically removing scratches and dents in the surface of said metal; lapping said metal surface; attaching a layer of gold to said metal surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 55
Dependent Claim
129 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 56
Dependent Claim
129 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 57
Dependent Claim
133 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 58
Dependent Claim
133 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a gold layer on said aluminum surface; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 59
Dependent Claim
166 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 60
Dependent Claim
166 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 61
Dependent Claim
170 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 62
Dependent Claim
170 words
A seal between an aluminum surface and a second surface of glass-like ceramic made by the process comprising: conforming the surface of said aluminum to said second surface; mechanically removing scratches and dents in the surface of said aluminum; etching said aluminum surface with a solution of nitric acid; rinsing said aluminum surface with water; coining said aluminum surface; applying a first layer of gold, in the form of gold in a liquid, to the surface of said aluminum; firing said gold to leave a first layer of gold on said aluminum surface; applying a second layer of gold, in the form of gold in a liquid, to said first gold layer; firing said gold to leave a second gold layer on said first gold layer; placing a layer of indium over said second layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 63
Dependent Claim
72 words
A seal between a copper surface and a second surface of glass-like ceramic made by the process comprising: electroplating a layer of gold onto the surface of said copper; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
Claim 64
Dependent Claim
72 words
A seal between a copper surface and a second surface of glass-like ceramic made by the process comprising: electroplating a layer of gold onto the surface of said copper; placing a layer of indium over said layer of gold; heating said gold and indium above the melting point of indium to form a gold-indium alloy at the interface between said gold and indium; cooling; and pressing said indium onto said second surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-02-20 | 1987-08-22 | 1988-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-20 | 1991-08-22 | 1992-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-20 | 1995-08-22 | 1996-02-21 | $7700.00 | Window Closed / Lapsed |